Finding the Fourth Proportional to 377,756.26, 521,302.43 and 207,990.38
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Solution
The fourth proportional to 377,756.26, 521,302.43 and 207,990.38 is: 287,026.07
Step by Step Solution
- Step 1: Write the proportion equation
377,756.26 : 521,302.43 = 207,990.38 : x - Step 2: Convert to fraction form
377,756.26/521,302.43 = 207,990.38/x - Step 3: Cross multiply
377,756.26x = 521,302.43 × 207,990.38 - Step 4: Simplify right side
377,756.26x = 108,425,892,333.86 - Step 5: Solve for x
x = 108,425,892,333.86/377,756.26 - Step 6: Final answer
x = 287,026.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.